Seoul → Udon Thani
Seoul Gimpo International Airport (GMP) to Udon Thani International Airport (UTH)・3,243 km
No nonstop or one-stop flights. The shortest route is GMP → SHA ⇒ PVG → CNX → UTH (via Shanghai (SHA ⇒ PVG), Chiang Mai), about 6h 11m of flying time (layovers not included). It includes a road transfer of about 45 km between SHA and PVG.
With milesANA 18,500 miles+ (via PEK, BKK)Economy, one way, estimate. Tap a connection for miles by cabin.
Nonstop flights
None.
Routes with 2 stops or an airport change
Sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.
- GMP → SHA ⇒ PVG → CNX → UTHvia Shanghai (SHA ⇒ PVG), Chiang Mai45 km by roadFastest≈ 6h 11m
- GMP → SHA ⇒ PVG → DMK → UTHvia Shanghai (SHA ⇒ PVG), Bangkok45 km by road≈ 6h 27m
- GMP → HIN ⇒ PUS → CNX → UTHvia Sacheon (HIN ⇒ PUS), Chiang Mai79 km by road≈ 6h 27m
- GMP → USN ⇒ PUS → CNX → UTHvia Ulsan (USN ⇒ PUS), Chiang Mai59 km by road≈ 6h 28m
- GMP → SHA ⇒ PVG → BKK → UTHvia Shanghai (SHA ⇒ PVG), Bangkok45 km by road≈ 6h 28m
- GMP → PUS → CNX → UTHvia Busan, Chiang Mai≈ 6h 29m
- GMP → PEK → CNX → UTHvia Beijing, Chiang Mai≈ 6h 31m
- GMP → PKX ⇒ PEK → CNX → UTHvia Beijing (PKX ⇒ PEK), Chiang Mai66 km by road≈ 6h 32m
- GMP → TSA ⇒ TPE → CNX → UTHvia Taipei (TSA ⇒ TPE), Chiang Mai32 km by road≈ 6h 34m
- GMP → TSA ⇒ TPE → DMK → UTHvia Taipei (TSA ⇒ TPE), Bangkok32 km by road≈ 6h 42m
Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.